Re: 11: middle game
 

The ChrisV fan club grows...

citanul

Re: 11: middle game
 

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Yeah, that's correct. I should more accurately have said that when two stacks have a confrontation that is certain to increase the unevenness of stacks, they lose equity.

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I just looked at this again and realised I was totally wrong. I don't know why I thought this was right the first time.

If the two stacks with 1500 and 500 collide, then half the time it reverts to everyone having 1000 chips. In this case they strip equity off everyone else - 0.38%.

However, when the short stack loses, then the pair of them dump a stack more equity - all the way down to 2.5%, as in the first example.

Any 50/50 confrontation between stacks always has them losing equity as a pair to the rest of the table, because the other stacks are always helped more by the short stack declining than they are hurt by him gaining chips.

Of course, confrontations between stacks which are not 50/50 can certainly rip equity off other stacks. I'm sure everyone recognises the sinking feeling you get when the big stack dumps chips to the short stack on the bubble. You just lost equity.

Re: 11: middle game
 

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After the smoke clears, the equity looks like this:

1000 - 0.10194444444444445 (x 9 stacks)
2000 - 0.18444444444444447

What has happened here is that the guy who doubled up didn't double his equity, or anywhere near. A whole 2.5% or so of the prize pool was taken from the two allin players and redistributed among the table.

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Not to nitpick a great post, but "after the smoke clears", aren't there 8 stacks of 1,000? And doesn't the 9th guy having ~18.44% mean that *1.55%* has been re-distributed around the table?

Re: 11: middle game
 

Yes. Yes.

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